/Engine/Source/Runtime/Experimental/GeometryCollectionEngine/Public/GeometryCollection/GeometryCollectionISMPoolComponent.h
UGeometryCollectionISMPoolComponent. Component that manages a pool of ISM components in order to allow multiple client components that use the same meshes to the share ISMs.
class UGeometryCollectionISMPoolComponent : public [USceneComponent](API\Runtime\Engine\Components\USceneComponent)